21936404

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 45588480

約数和(自身を除く): 23652076

約数列:

[1, 2, 4, 7, 14, 28, 47, 79, 94, 158, 188, 211, 316, 329, 422, 553, 658, 844, 1106, 1316, 1477, 2212, 2954, 3713, 5908, 7426, 9917, 14852, 16669, 19834, 25991, 33338, 39668, 51982, 66676, 69419, 103964, 116683, 138838, 233366, 277676, 466732, 783443, 1566886, 3133772, 5484101, 10968202, 21936404]

約数ペア:

[(1, 21936404), (2, 10968202), (4, 5484101), (7, 3133772), (14, 1566886), (28, 783443), (47, 466732), (79, 277676), (94, 233366), (158, 138838), (188, 116683), (211, 103964), (316, 69419), (329, 66676), (422, 51982), (553, 39668), (658, 33338), (844, 25991), (1106, 19834), (1316, 16669), (1477, 14852), (2212, 9917), (2954, 7426), (3713, 5908)]